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Subject[PATCH] Smack: replace capable() with ns_capable()
Date
If current task has capabilities, Smack operations (eg. Changing own smack
label) should be available even inside of namespace.

Signed-off-by: Sungbae Yoo <sungbae.yoo@samsung.com>

diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index 00f6b38..f6b2c35 100644
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -639,7 +639,7 @@ int smack_privileged(int cap)
struct smack_known *skp = smk_of_current();
struct smack_onlycap *sop;

- if (!capable(cap))
+ if (!ns_capable(current_user_ns(), cap))
return 0;

rcu_read_lock();
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index a143328..7fdc3dd 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -403,7 +403,8 @@ static int smk_ptrace_rule_check(struct task_struct *tracer,
rc = 0;
else if (smack_ptrace_rule == SMACK_PTRACE_DRACONIAN)
rc = -EACCES;
- else if (capable(CAP_SYS_PTRACE))
+ else if (ns_capable(__task_cred(tracer)->user_ns,
+ CAP_SYS_PTRACE))
rc = 0;
else
rc = -EACCES;
--
1.9.1


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